Before 1900 the largest religious groups in Wyoming were the Roman Catholic, Presbyterian, Congregational, and Methodist Episcopal churches.[citation needed]

Most records are kept with the local congregation, although some may have been transferred to other repositories, such as a church archives, a local genealogical or historical society, or a college library.

The Family History Library has very few original Wyoming church records. Many denominations have collected their records into central repositories. You can write to the following to learn where their records are located: